In this lesson, students create a timeline of world events from 1905 until 2006. Students locate key dates from the Cosmic Times poster series and determine world events that fit into the three story strands of Cosmic Times, as well as, the...(View More) categories of Science, Culture, and World Events/Politics. The timeline allows students to see how the technology and data that scientists have used over the past 100 years have contributed to the cosmological knowledge and understanding that we have today. Students can also observe the historical significance of scientific discoveries over time, and place them within the context of world events. This activity is from the Cosmic Times teachers guide and uses all six Cosmic Times Posters.(View Less)

In this activity, identified as the capstone activity, students will be asked to examine and analyze spectra from a past mission and compare it to simulations of data from future missions, including Suzaku. A thorough comparison will show better...(View More) data from each successive generation of spacecraft. Students will compare and contrast their findings as a class. The guide includes discussion questions and instructions for using the video - Building the Coolest X-ray Satellite: Astro-E2 - in the classroom. The video describes NASA's development of the X-ray Telescopes and X-ray Spectrometer for the Astro-E2 (Suzaku) mission. This is the final activity in the educator guide.(View Less)

In this activity, students investigate one specific topic (MACHOs, WIMPs or hydrogen gas) related to dark matter using available resources. Students will organize their findings and present this information in a creative and engaging fashion. This...(View More) is activity seven in the "Hidden Lives of Galaxies" information and activity booklet that was designed for use with "The Hidden Lives of Galaxies" poster. The booklet includes student worksheets and background information for the teacher.(View Less)